/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Optimized refresh of nodes that depend on external blueprints. Refreshes the nodes, but does not recompile the skeleton class
static void RefreshExternalBlueprintDependencyNodes ( [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint, [UStruct](API\Runtime\CoreUObject\UObject\UStruct) * RefreshOnlyChild )